id:A031176 - OEIS Search Results

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Periods of sum of squares of digits iterated until the sequence becomes periodic.

+0
18

1, 1, 8, 8, 8, 8, 8, 1, 8, 8, 1, 8, 8, 1, 8, 8, 8, 8, 8, 1, 8, 8, 8, 1, 8, 8, 8, 8, 1, 8, 8, 1, 1, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 8, 8, 8, 8, 1, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 8, 1, 8, 8, 8, 8, 8, 8, 8, 8, 1, 8, 8, 1, 8, 8, 8, 1, 8, 8, 8, 8, 1, 8, 8, 1, 8, 8, 1, 8, 8 (list; graph; listen)

	OFFSET	`0,3`
	LINKS	`Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.`
	CROSSREFS	`Cf. A003132, A099645. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), May 31 2009]` `Sequence in context: A023414 A125555 A010531 this_sequence A010731 A048762 A160949` `Adjacent sequences: A031173 A031174 A031175 this_sequence A031177 A031178 A031179`
	KEYWORD	`nonn,base`
	AUTHOR	`Eric Weisstein (eric(AT)weisstein.com)`
	EXTENSIONS	`The value a(0)=1 was added by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), May 31 2009`

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

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